package com.gxgy.config;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

public class LoginHandlerinterceptor implements HandlerInterceptor{

	
	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
			throws Exception {
		Object loginUser = request.getSession().getAttribute("loginUser");
		if (loginUser == null) {
			request.setAttribute("msg", "请先登录！");
			request.getRequestDispatcher("/").forward(request, response);
			return false;
		}else {
			return true;
		}
	}
}
